But, if you cut the four in twain,
You’ll find one-half doth eight retain.
To divide eight gallons of vinegar equally between two persons; using only an eight-gallon, a five-gallon, and a three-gallon measure?
A certain miller takes “for toll” one tenth of the meal or flour he grinds. What quantity must he grind in order that a customer may have just a bushel of meal after the toll has been taken?